Objective To evaluate the efficacy and safety of color-ultrasound guided percutaneous umbilical blood sampling.

目的探讨彩超引导下脐静脉穿刺术的安全性和成功率。

youdao

Objective To evaluate the efficacy and safety of color-ultrasound guided percutaneous umbilical blood sampling.

目的探讨彩超引导下脐静脉穿刺术的安全性和成功率。

youdao